Me and my wife been tring so hard to have our first child I wonder what could be problem I drink some time and cigarettes every now and then could it be that-?

Drinking too much alcohol and smoking cigarettes can have an impact on trying to conceive your first child, but it is more likely that another issue is causing not being able to conceive. A low sperm count or infertile eggs are the most common reasons people have trouble having a baby.